What type of molecules help the plasma membrane keep its shape?

What type of molecules help the plasma membrane keep its shape?

Correct Answer: cholesterol
metabolic
proteins
magnesium

Explanation: The plasma membrane contains molecules other than phospholipids, primarily other lipids and proteins. The green molecules in Figure below , for example, are the lipid cholesterol. Molecules of cholesterol help the plasma membrane keep its shape. Many of the proteins in the plasma membrane assist other substances in crossing the membrane.

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